Patent holdings for IPC class C07B 55/00

Total number of patents in this class: 64

10-year publication summary

2
6
7
4
4
5
2
1
0
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Chemical Company, Limited
8986
3
Central Glass Company, Limited
1260
3
Enzytech, Ltd.
11
3
Bayer AG
3254
2
DSM IP Assets B.V.
5568
2
Daiichi Sankyo Company, Limited
1850
2
Dr. Reddy's Laboratories, Inc.
185
2
Dr. Reddy's Laboratories Limited
558
2
OBI Pharma, Inc.
113
2
Tokyo University of Science Foundation
376
2
Rhizen Pharmaceuticals AG
55
2
F. Hoffmann-La Roche AG
7889
1
BASF SE
20616
1
Genentech, Inc.
3898
1
Merck Patent GmbH
5825
1
ExxonMobil Chemical Patents Inc.
4050
1
Showa Denko K.K.
2294
1
Northwestern University
3314
1
Aesica Pharmaceuticals Ltd.
8
1
Albert-ludwigs-universitat Freiburg
394
1
Other owners 30